He can't fulfill his dream because he doesn't have money, he has to give up wrestling.
English phrasal verb
give up
To stop trying or stop doing something.
Examples from real speeches
See how speakers use “give up” naturally, then open the full speech for more context.
I gave up everything and I came to Bombay not knowing anybody, not only from the industry, but even outside.
And I want you to know how sad I am to be giving up the best job in the world.
Minco wants you to give up the secret.
I was exhausted, and I often thought of giving up.
If I give you one message to hold in your hearts today, it's this: Never, ever give up.
It's something that me and Ritesh lived in the US for three years, and we were non-vegetarian eaters who gave up our non-veg then.
Never give up on those dreams.