talks poorly about someone.
Find someone else, be on the lookout for other guys.
I knew I was in deep trouble when I suddenly noticed that my girlfriend was looking at me rather disparagingly.
i say yu try listenin to sum Ms. Krazie songs she speaks the truth. :))
unemotional
Someone who speaks dramatically could be referred to as melodramatic or theatrical.
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.
A polyglot is someone who speaks multiple languages, often at least five or more.
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
Outspoken?