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

1.
ausente, faltoso
a person who is expected to be present at a place or event but is not
:
•
There were several absentees from the meeting.
Havia vários ausentes da reunião.
•
The teacher marked the absentee students.
O professor marcou os alunos ausentes.