doormat

n.	1.	a mat placed outside and exterior door for wiping the shoes before entering.
	2.	A person who is habitually abused, taken advantage of or humiliated; sometimes, one who is physically weak; as, they used him for a doormat.

Noun	1.	doormat - a person who is physically weak and ineffectual Synonyms: weakling, wuss
	2.	doormat - a mat placed outside an exterior door for wiping the shoes before entering Synonyms: welcome mat

Milquetoast, baby, big baby, carpet, carpeting, chicken, crybaby, drop cloth, duckboards, dull tool, floorboards, flooring, ground cloth, ground-sheet, gutless wonder, invertebrate, jellyfish, lightweight, mat, meek soul, milksop, mollycoddle, namby-pamby, nebbish, nonentity, pansy, pantywaist, pave, pavement, pushover, rug, sad sack, sissy, softling, softy, sop, tiling, weak sister, weakling, welcome mat