The phrase "a lot of different people" means a large number of individuals who are varied and diverse in terms of their characteristics, backgrounds or qualities. Full definition
Work with lots of different people to expand your skill set. (mayerbrownfutures.com)
Also the idea that you meet lots of different people in different tours not just a package where people start the tour Day 1 and travel with you the entire journey. (sastravelperu.com)
I was a little worried that it might be kind of dirty inside from lots of different people driving it, but it surprisingly wasn't and has been fine. (autolist.com)