WordNet sense 1 (basin for holy water):

stoup

WordNet sense 2 (small porch or set of steps at the front entrance of a house):

stoep

WordNet sense 3 (debase oneself morally, act in an undignified, unworthy, or dishonorable way):

condescend, lower oneself

WordNet sense 4 (bend one's back forward from the waist on down):

bend, bow, crouch, bow