[noun] [C] [disapproving] - a person who does not work very hard at their job, but who is waiting until they reach the age at which they can stop work(disapproving) A timeserver is also someone who changes their ideas and opinions in order to make them more like those that are fashionable or are held by people in power, esp. because they believe it will be to their advantage.
TIMESERVER
Meaning of TIMESERVER in English
Cambridge English vocab. Кембриджский английский словарь. 2012