3.5 Antistasi New player struggling on solo -> whats my focus? what should i do?

hello everybody, dont know if this is the right place to post. im struggling with solo antistasi, i dont even know what to do. i try to do missions but i die, i hire ai riflemen but they die, everyone dies and i cant finish any missions. what should i be doing? where should i focus firsT?

also if anyone wants to team up id love to, im playing with ace loaded on antistasi plus, hosting my server in greece