tru·ant 
(trənt)
(trənt)n.
1. One who is absent without permission, especially from school.
2. One who shirks work or duty.
adj.
1. Absent without permission, especially from school.
2. Idle, lazy, or neglectful.
intr.v. tru·ant·ed, tru·ant·ing, tru·ants
To be truant.
[Middle English, beggar, from Old French; see terə-1 in the Appendix of Indo-European roots.]