兼

meaning for 兼 jiān:

• - double
• - twice
• - simultaneous
• - holding two or more (official) posts at the same timeto annex
• - to take over
• - to acquireto attend simultaneously to two or more things
• - to balance (career and family, family and education etc)to hold several jobs at once
• - concurrent post
• - working part-timeto hold concurrent posts
• - concurrent job
• - moonlightingan overall plan taking into account all factors