What role is often mistakenly perceived as the same as a copyeditor? proofreader
editor in chief
developmental editor
senior copyeditor

For english i have to find 4 errors in each diary post

It's to know your purpose before you read something because a purpose can:

Read the movie summary. two rival magicians compete for fame and success in edwardian london. when their bitter feud begins to escalate, they each resort to more and more dangerous tricks to try to outdo the other, ultimately placing the lives and sanity of those around them in jeopardy. based on this summary, the film is most likely a(n) action thriller dramatic thriller psychological thriller science fiction thriller