What's the difference between fighter and righter?

Fighter

Definition:

(n.) One who fights; a combatant; a warrior.

Example Sentences:

(1) At the ceremony, the Taliban welcomed dialogue with Washington but said their fighters would not stop fighting.
(2) Britain had been negotiating with the Saudis over the purchase from British Aerospace of dozens of Hawk and Tornado fighter aircraft.
(3) Of those, 39 were civilians, 34 armed opposition fighters and 35 members of the state security forces, said the UK-based group.
(4) Security forces have also tried to wrest back the Sunni stronghold of Tikrit from a loose alliance of Isis fighters, other jihadist groups and former Saddam Hussein loyalists.
(5) "We believe BAE's earnings could stagnate until the middle of this decade," said Goldman, which was also worried that performance fees on a joint fighter programme in America had been withheld by the Pentagon, and the company still had a yawning pension deficit.
(6) In the clip – believed to be the first footage of a Briton fighting for the militants in Iraq rather than Syria – he urges others to take up arms and join the growing ranks of foreign fighters.
(7) Civil activities have a strong vision for and a commitment to Ukraine’s European future, but they lack the experience necessary to implement crucial reforms The presence of more than 30 civil society activists and dozens of fighters on various party lists ensures fresh blood in the Rada.
(8) Two fighters took me and held me prisoner in their house.
(9) By some estimates, Belgium has supplied the highest per capita number of fighters to Syria of any European nation – between 350 and 550 , out of a total population of 11 million that includes fewer than half a million Muslims.
(10) So who are these Syrian fighters that Cameron is relying on?
(11) However, I want to see how both fighters handle what will be an extraordinary fight week before I make my own.
(12) A Yazidi lawmaker, a Kurdish security official and an Iraqi official from the nearby city of Sinjar gave similar accounts, saying Isis fighters had massacred scores of Yazidi men on Friday afternoon after seizing Kocho.
(13) An estimated 1,000 people from Odessa have joined separatist fighters in eastern Ukraine.
(14) Prior to the "smoke-free" resolution, one fire department in Florida required that new fire fighters be non-smokers.
(15) He says that two dozen Delta Force commandos, Black Hawk helicopters, drones and fighter jets were involved in the rescue, adding “but we weren’t there”.
(16) Another 57 fighters with the al-Nusra Front, which has links to al-Qaida, were killed in air strikes on the northern Syrian province of Aleppo and Idlib, the Observatory said.
(17) A recent video featured Bosnian fighters urging their countrymen to join the group.
(18) The rebel army of about 9,000 fighters is half the size it once was, but far from being defeated militarily.
(19) As fighter jets screamed overhead and tanks churned up the sand, it looked and sounded like the violent protests sweeping the Middle East had spread to the wealthy emirate of Abu Dhabi.
(20) Without ball the first fighter and with it he seems clear.