disembark = To go ashore out of a ship or boat; to leave a train or airplane or,
To remove from on board a vessel; to put on shore..
HOPE THIS HELPS YOU......
I think the answer is :
He says he was concerned before that Helena was a distant relative, but now that he is sure that she is not related to him, he loves her.
The answer is Confident because self poised means to balanced without support.
