This will prevent Steve from sending you messages, friend request or from viewing your profile. They will not be notified. Comments on discussion boards from them will be hidden by default.
“Christianity has from its beginning portrayed itself as a gospel of peace, a way of reconciliation (with God, with other creatures), and a new model of human community, offering the 'peace which passes understanding' to a world enmeshed in sin and violence. (1)”
―
David Bentley Hart