absentee
US /ˌæb.sənˈtiː/
UK /ˌæb.sənˈtiː/

1.
결석자, 부재자
a person who is expected to be present at a place or event but is not
:
•
There were several absentees from the meeting.
회의에 여러 명의 결석자가 있었다.
•
The teacher marked the absentee students.
선생님은 결석한 학생들을 표시했다.