What comes to mind is salvation although I can't be sure, it makes the most sense.
A linguist studies language in a scientific way; so not just a certain language like Spanish, Mandarin or such, but how a language is written, communicated, it's forms, etc.
Answer: Republican Party
Explanation:
The Republican Party is focused onto those topics.
Answer:
Select the shapes to be merged
Explanation:
Just did it on edge :)