1 office workers (as social group)

1 philosophy

2 classifier: 个 gè

1 philosophic theory

2 philosophy

1 family

2 clan

1 race

2 nationality

3 ethnicity

4 clan

5 by extension, social group (e.g. office workers 上班族)

1 offspring a famous family (idiom); good breeding

2 blue blood

1 a wise man has passed away (idiom)

1 a wise man looks after his own hide (idiom)

2 to put one's own safety before matters of principle