What’s the difference between an agent, manager, and a publicist? Like, what do they do?

Agent–represents you to various known or unknow casting agents or productions. Is not engaged constantly. 10-15%

Manager–tells you what scripts to take, see that arrangements for travel, hotels and all business is handled. Does a few agent functions like hooking you up. Constant attention. More pay.

Publicist–a company or person who keesp the word out about your work after you’re established. Gets you in the "best" publications or gets you seen. Also helps prevent you from messing up in public. Salaried or by the job