staunch -
firm and dependable especially in loyalty; "a steadfast ally"; "a staunch defender of free speech"; "unswerving devotion"; "unswerving allegiance"
constant steadfast in purpose or devotion or affection; "a man constant in adherence to his ideals"; "a constant lover"; "constant as the northern star"
Verb
staunch -
stop the flow of a liquid; "staunch the blood flow"; "stem the tide"