The majority of Meliodas' childhood is unknown but in the past, Meliodas was trained by Chandler and was the leader of the Demon Clan's Ten Commandments, bestowed with the Commandment of "Love" and regarded as the one most likely to become the next Demon King, for his strength and ruthlessness.

Does Meliodas still have a commandment?

There are ten in total and each has a unique curse of absolute power bestowed upon anyone who breaks its rule, even upon the holder himself/herself. After becoming the new Demon King of his own volition and sacrificing his godly power, Meliodas has destroyed all of the Commandments.

Did Estarossa take Meliodas commandment?

According to Ludociel, Mael was at some point killed by Estarossa of the Ten Commandments. This, however, was revealed to be a false memory forged by the demon Gowther. ... Now a part of the Demon Clan, Mael received the Commandment of Love that Meliodas abandoned, becoming a member of the Ten Commandments.