Various
adverb, noun, な adjective, の adjective
This is the kanji color repeated twice (the 々 character just repeats the kanji before it). When you have colors and colors and colors, you have a lot of variety. That's why this word means various.
The reading for this kanji is just the kun'yomi reading twice. Since you've learned the kun'yomi reading already, you should be able to read this word as well. Nothing tricky about it.
色々な人
various people
色々なジャンル
various genres
色々なタイプ
various types
色々なタイプの人がいます。
There are various types of people.
大学では色々なクラスで学びました。
I studied in various classes at university.
色々考えたんですが、やはり人生で大切なものはお金だとおもいます。
I thought about various things, but in the end I think the most important thing in life is money.