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sure.. do you see the number in the brackets by the name? If you see that number is very low, like 10 or less then be very careful with that peson.. If that number is 0 or in this case -1 then maybe just dont even interact at ALL with them..

Thanks you for this advice I did believe diferent I imagined that as new user his label is low

did u notice that his post was HIDDEN? and you had to click to make it open? That is the sign that you shouldnt really bother with it ;-)