I am in the verge of financial depression as my job no longer pays well.
I am looking to other Internet based jobs to help my financial status as a student taking care of himself.
Should I learn Affiliate Marketing Or Copywriting,which one pays well?

They are both great skills to learn, the only thing you need is these simple questions. Can I be committed enough to stay focused until I get results because these skills are not Ponzi or get rich quick scheme?
Anyway, you can go for affiliate marketing. You can reach out to me I may be of help to you.

PRE4:
I am in the verge of financial depression as my job no longer pays well.
I am looking to other Internet based jobs to help my financial status as a student taking care of himself.
Should I learn Affiliate Marketing Or Copywriting,which one pays well?

They are both high-income skills. In fact, copywriting is one of the skills you need to be good at for success in affiliate marketing alongside other digital marketing skills. However, it's important to learn first for effective earnings in any of the two.

This free copywriting course would help you get started: https://systeme.io/f73fe5bf?sa=sa0018991342cd2552362c3eb9270b6d75b1d54abd