What is the meaning of Fouler?

One who fouls.

comparative form of foul: more foul

to stamp, to impress, to dent; to mill

to walk on, to tread, to trample

to oppress, to mistreat

to injure by knocking, bumping or dinting

to sprain

to wear oneself out, to overdo it

alternative form of foulere

Source: wiktionary.org