1) Absentee 1) Deadbeat 2) Debtor 3) Nonpayer 
• (n.) One who makes default; one who fails to appear in court when court when called. • (n.) One who fails to perform a duty; a delinquent; particularly, one who fails to account for public money intrusted to his care; a peculator; a defalcator.
De·fault'er noun 1. One who makes default; one who fails to appear in court when court when called. 2. One who fails to perform a duty; a delinquent; particularly, one who fails to account for public money intrusted to his care; a peculator; a defalcator. 
[n] - someone who fails to make a required appearance in court 2. [n] - someone who fails to meet a financial obligation 3. [n] - a contestant who forfeits a match
noun someone who fails to meet a financial obligation noun a contestant who forfeits a match
a person who defaults or fails to fulfill an obligation, esp. a legal or financial one. · a soldier convicted by court-martial.