What's the difference between custodian and underkeep?

Custodian

Definition:

(n.) One who has care or custody, as of some public building; a keeper or superintendent.

Example Sentences:

(1) Like a reforming editor, he needs to convince people that his changes are designed to strengthen, not undermine, the inestimably valuable tradition of which he has the privilege to be the temporary custodian.
(2) Today's children are tomorrow's custodians of nature."
(3) Just as Labour learned (and then unlearned) that economic credibility is a precondition of electoral victory, so the Tories grasped that they must be trusted as custodians of public services.
(4) It would be a custodian for the atmosphere and biological diversity, areas in which all humanity has a stake.
(5) A 48-year-old male custodian and part-time gardener was hospitalized for treatment of renal tuberculosis.
(6) She just gave them the opportunity to argue their case.” Habeas corpus petitions are used, in theory, to fight unlawful imprisonment by forcing a custodian to prove they have legal cause to detain someone.
(7) When Mubarak took office in the early 1980s, the Egyptian state remained as undemocratic as ever; by now, though, its operation was less concerned with delivering material security to its population and more with carving up social assets for the financial benefit of its custodians.
(8) He praised the proposal by the Jordanian king, the custodian of the al-Aqsa compound, for 24-hour video surveillance at the site and said Netanyahu had agreed to “an excellent suggestion”.
(9) The late Peter Porter called his fellow countryman "the custodian of Australia's soul".
(10) "Chiefs are important as custodians of tradition," says Jok, who is now serving as an under-secretary in the Southern government's Ministry of Culture.
(11) The state's prosecution team, led by assistant state attorney Bernie de la Rionda, will attempt to portray Zimmerman, 29, as an overzealous, self-appointed custodian of his gated community who pursued, confronted, then shot a black youth in a hoodie whom he assumed was up to no good.
(12) The NSW Liberal Party and four of its associated entities – Bunori Pty Ltd, Dame Pattie Menzies Foundation, Liberal Asset Management (Custodians) Ltd and Liberal Properties Limited – also attempted to suppress the reviews.
(13) So on Australia Day, we honour the ancestors who were custodians of this ancient continent; we pay tribute to our forefathers who enshrined freedom, fairness and unity in Australia’s constitution; and we reaffirm our commitment to make this country of ours a beacon of hope and optimism in an uncertain world,” Abbott said.
(14) The move infuriated Jordanian King Abdullah, who is custodian of the sacred compound that also houses the Dome of the Rock mosque.
(15) But where was Cipfa, once the custodian of best practice in public sector budgeting?
(16) We need to rebuild the reputation of banks and bankers as trusted custodians of people's money, giving objective, impartial advice untainted by opportunities for personal gain, and at the same time make banking transactions as frictionless as possible.
(17) Mr Turnbull’s decision now means there have been more defence ministers in Australia than prime ministers in the last three years.” Andrews urged Turnbull to continue the Liberal party’s “broad church”, which he said was custodian to Liberal and conservative traditions.
(18) I am a custodian at the minute and owners are also custodians; the one thing that remains interested in a football club is, of course, the fans.
(19) We were all watching; we had a custodian in the corner who was watching.
(20) Abbott added: “We are all conservationists, we are all utterly committed to protecting this priceless environmental asset of which we are today’s custodians.