At first, I thought the traveler was unsociable, but when I tried talking to her, I discovered she was actually very interesting.
Normally we would not do this, but since you are a tourist, we'll comply with your request.
Hey, look, look. Don’t you think that tourist is wearing clothes that are completely unsuitable for her age?
You've seen that 旅行 is "trip." So who is someone who goes on trips? That is a tourist or traveler.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. It will help if you know the reading of 旅行 already.