HSK C4/W3
Correct

赞

/ zàn / 
Strokes

Definition

to patronize/to support/to praise/(Internet slang) to like (an online post on Facebook etc)

Example

As a Verb
support; favour; assist; aid
As a Verb
assist the master of ceremonies (in ancient times)
As a Verb
praise; commend; extol; laud
As a Verb
like (a web page or posting on a social media website)
As a Noun
eulogy