Teacher: If you’d like me to come in and talk to your people about writing financial copy, I’d be delighted to do that.
Devil’s advocate: Might a subjective overview of an already-written piece of text, a particular item or whole website prove useful or indeed illuminating? Just let me know and I’ll prepare that for you.
Nit picker:
When it comes to syntax, punctuation and grammar I’ll make sure that everything is in good order and that all your t's and i's are correctly dressed.
Communicator:
Seeking crystal clear and unambiguous English? Then I’m your man.
Auditor: Got a raft of customer comms you want pulling together so they pull together better? Done it. Been there. Got the T shirt.