C2 noun /ˈlæɡ.ərd/
Laggard
遅れて進む人; 他の人より遅れを取る人
Meaning
a person who makes slow progress and falls behind others; someone who is slow to act
Example
The laggard student finally submitted his assignment after the deadline.
遅れた学生は締め切り後にようやく課題を提出しました。