What's the difference between disreputable and rapscallion?

Disreputable

Definition:

(a.) Not reputable; of bad repute; not in esteem; dishonorable; disgracing the reputation; tending to bring into disesteem; as, it is disreputable to associate familiarly with the mean, the lewd, and the profane.

Example Sentences:

(1) The Liberal Democrat investigation was carried out by Alistair Webster QC, who found it was not appropriate to charge Rennard with acting in a way that had brought the party into disrepute., which could have led to his expulsion expelled from the party.
(2) A senior Tory has accused Margaret Hodge , the Labour chair of the public accounts committee, of bringing parliament into disrepute by being “abusive and bullying” towards senior HSBC executives when they appeared before her panel.
(3) Good-looking, talented and wealthy, they exist in a bubble of ego that allows them to embark on one-night stands, lay waste to cities with their gizmos, and generally act disreputably in the name of safeguarding our freedom.
(4) Only PCs running Windows can be infected but the CryptoLocker malware can be hidden in any executable attachment or sneak on to your computer via a driveby download from a disreputable or infected website.
(5) Malema is in a titanic struggle with Zuma, who once declared him a future president, and has been brought before the ANC's disciplinary committee on charges of bringing the party into disrepute.
(6) The LMA responded saying: "Such a commentary is inflammatory, can only tend to bring the game into disrepute and further widens the gap between those that reputedly lead the game and those that find employment and build their careers within it."
(7) After these disreputable cases, it is time to open a cleaner chapter in UK-Russia relations.
(8) Trimming, triangulating, sneaking small policy advantages and wallowing in the narcissism of small differences, the parties seemed locked in a distant and disreputable Westminster charade.
(9) Sources insisted he was "neither influential nor important" and on Monday the 63-year-old was suspended from the party for bringing it into disrepute following footage that appears to show him buying drugs days after being grilled by the Treasury select committee over the bank's disastrous performance.
(10) Public life has become impossible with these public floggings [and Hodge] is now bringing the committee into disrepute.” Lyons said that it was “absolutely right” that Hodge should ask demanding questions but said the business world is not always as black and white as she sees it.
(11) We want to get games into him so he is fit and ready for us.” Rule E3(1) states that: “A participant shall at all times act in the best interests of the game and shall not act in any manner which is improper or brings the game into disrepute or use any one, or a combination of, violent conduct, serious foul play, threatening, abusive, indecent or insulting words or behaviour.” Rule E3(2) states that: “In the event of any breach of Rule E3(1) including a reference to any one or more of a person’s ethnic origin, colour, race, nationality, face, gender, sexual orientation or disability (an “aggravating factor”), a Regulatory Commission shall consider the imposition of an increased sanction.”c
(12) Fifa news: free speech Fifa say South African editors complaining about "bullying" restrictions on journalists at the World Cup – which include a compulsion "not to bring Fifa into disrepute" – are misguided.
(13) Never did she suspect I had done anything wrong, despite the Pakistani media saying – and continuing to say – the German authorities had caught a terrorist from Balochistan.” Much of the reporting continues to say that Baloch has brought the reputation of Pakistan into disrepute, because of German authorities identifying him as a Pakistani and failing to mention Balochistan.
(14) Without proper care, these procedures can in fact reflect negatively on the physician performing them and fall in disrepute.
(15) Club being put into disrepute.” Another, @infuriousbeauty, stated: ”People might want to consider asking @stokecity football club why their player @robert_huth thinks it’s okay to bully trans people online.
(16) Some donors have asked to be anonymous and none of them is a disreputable person.
(17) In fact, IUDs have fallen into disrepute largely because of resulting complications, failures, and side effects.
(18) Under normal protocol, honours from Buckingham Palace are forfeited if a person is considered to have brought the system into disrepute.
(19) In a letter sent today to Stephenson, Watson said: "The Metropolitan police's historic and continued mishandling of this affair is bringing your force, and hence our democracy, into disrepute.
(20) The GMC panel chairman, Surendra Kumar, said: "In causing blood samples to be taken from children at a birthday party, he callously disregarded the pain and distress young children might suffer and behaved in a way which brought the profession into disrepute."