I'm reading that it's long running science fiction series about a settlement of humans that ends up on an alien planet and they after hundreds of years they kind of trade information between each other the main character begins as just a translator between the humans and the atevi and it over the course of the series he basically becomes a member of the atevi society he becomes a lord of that society and it's highly political lots of political High Jinks they meet other alien species too I love it I could go on about this forever
Protector (Foreigner # 14) (2013)
Bren and Illisidi must protect young prince Cajeiri and the human children who have come to visit for his birthday from the dangerous split compromising the Assassin's Guild.