My steam account is linked with an ea account which is not mine

i have a steam account which conntains 4 ea games (Samurai - https://steamcommunity.com/id/GetRichOrDieTriyin/) i tried to log-in to play burnout paradise remastred, and i found out that my account is linked to an ea account which is not mine, i'm 100% sure that this isn't my account, you can even check my battlefield 3 account

Do something please

- Boutaleb Mohammed.