• (n.) One who confesses to a priest.
Con·fess'ant noun [ French confessant .] One who confesses to a priest. [ Obsolete] Bacon. 
confessor, confessant 1. A person to whom someone else confides her/his personal problems. 2. Someone who makes a confession or who makes a formal statement admitting that he/she is guilty of a crime. 3. A priest who hears confessions and sometimes acts as a spiritual adviser.