What’s the word(s) that means a person who stands for something only for the recognition?

A person who probably doesn’t care about the issue but will say they support it in order to get popularity/recognition/etc. The only thing I can thing of is politician and campaign promises or hypocrite. But both don’t quite fit.

He never cared about the bees until it was trending, he’s such a/so _____. She is only started supporting the movement in order to get votes, after the election she’ll stop, all politicians are such a/so _____.

Solution 1:

Awaiting further clarification, this sounds like virtue signaling. From Lexico:

virtue signalling (US virtue signaling)

The action or practice of publicly expressing opinions or sentiments intended to demonstrate one's good character or the moral correctness of one's position on a particular issue.

Example: "Standing on the sidelines saying how awful the situation is does nothing except massage your ego by virtue signalling."

The term implies that you don't have to care about the issue, but you can advertise that you do, and this will make you look like a concerned and upstanding citizen. Put a sticker on your window and pat yourself on the back; you support stuff. Cambridge online dictionary elaborates (ref):

Virtue signaling is the popular modern habit of indicating that one has virtue merely by expressing disgust or favor for certain political ideas or cultural happenings.

Solution 2:

How about panderer? From Vocabulary.com:

A panderer is someone who tries to please others, not to help them but for an ulterior motive. A panderer kisses up to get something. A panderer is sometimes vulgar. Politicians are often panderers, especially the ones who say or do anything to get a vote or raise money. Pandering is dishonest because the panderer says what they think others want to hear, not what they really believe.