What is this 让 in this text?
I believe this usage of 让座者 is very inaccurate. It is referring to the people who lets you past. 

However I couldn't think of a clear and succinct phrase for the same meaning. None of 让位, 让路, etc. sounds right. If rewrite the phrase I would simply go with 其他观众.


  通过其他观众时要与之正面相对，……