Buying first camera

Hi, I am looking to buy my first decent camera due to work and study but I know literally nothing about them. I've started researching them but I honestly don't know where to start.

There are two main functions I will need it for. Firstly I am starting a makeup course and need to be able to take HD/High quality pictures for my portfolio. Secondly, my internship has requested I start their youtube channel so I need something that will also be able to produce high enough quality videos (I...

Buying first camera Buying first camera