Am not exactly on the same page with God(s) as many on this thread - but notwithstanding that, one thing I found in my wanderings is that lots
of smallscale western Christian Groups (i.e. not part of the main brands) around the world doing missionary type stuff, whether as a formal NGO or not.
I mention it as they tend to be pretty welcoming / helpful - and the same lingo does kinda help. IMO getting involved with folks who have boots on the ground already / contacts locally is very useful where turning up somewhere new (in addition to any shared hobbies).
Albeit my direct first hand knowledge is not extensive