talks poorly about someone.
Find someone else, be on the lookout for other guys.
i say yu try listenin to sum Ms. Krazie songs she speaks the truth. :))
I knew I was in deep trouble when I suddenly noticed that my girlfriend was looking at me rather disparagingly.
unemotional
Someone who speaks directly or openly, without equivocation is someone who speaks with candor.
Someone who speaks dramatically and impressively could be called a declaim or an orator.
An oral report is a spoken report. The methology must therefor be verbal. Yourself or someone else must speak. Such a speech may be 'live' or recorded. It follows that you speak or record or someone else speaks or records.
You may need to be more specific, since there are lots of terms that could apply. Some of them are: proxy, representative, spokesperson.
A linguist is someone who studies languages. Apolyglot is someone who speaks more than 2 languages.
Someone who speaks on behalf of someone
British
Outspoken?