A guy have my same name in steam

I recive a message of many people saying a guy with private profile are passing for me in steamtrades and steam....

I have public profile, please be carefull and dont change nothing with people with private profile.

Is this guy:

| steamname: reynoldor
| steamID32: STEAM_0:0:64769507
| steamID64: http://steamcommunity.com/profiles/76561198089804742
| customURL:
| steamrep: http://steamrep.com/profiles/76561198089804742

and this profile:

http://steamcommunity.com/profiles/76561198089804742

now the question....

who can denunciate at the guy?

Thanks