Sooo i have added Skype account on my profile. And today someone added me, told me that someone is selling my bitcoin account on some random site... Should i be worried?

Screenshot of picture

Screenshot of person over Skype

Sooo....am i getting scammed here? And how.... And why does he/she/it insists on changing my PW?

Edit 1: Since person deleted their reply:

Yea, but the person INSISTS .... for me to change password... Why? Isn't it little bit suspicious?