bewrayer C2+

/bɪˈreɪɚ/ one who betrays, reveals, or exposes a secret (archaic)

bibber C2+

/ˈbɪbɚ/ a person who drinks often or to excess; a tippler

billholder C2+

/ˈbɪlˌhoʊldɚ/ a clip or rack for holding bills or papers; one who holds a bill

biter C2+

/ˈbaɪtər/ one that bites; also archaically a cheat or deceiver

scratcher C2+

/ˈskrætʃɚ/ a person or thing that scratches; a tool for scratching

undergoer C2+

/ˌʌndɚˈɡoʊɚ/ one who undergoes or experiences something, especially an action

underwriter C2+

/ˈʌndɚˌraɪtɚ/ a person or firm that assesses and assumes financial risk, as in insurance