noun
latecomer; person who arrives late
Refers to someone who is late for an appointment, meeting, class, etc. Often used in formal or school contexts.
会議に遅刻者が何人かいた。
There were several latecomers to the meeting.
遅刻者は教室に入る前に理由を述べなければならない。
Latecomers must state their reason before entering the classroom.