Noble Start allows you to play as one of the nobles from one of the Kingdoms. Choose Noble Start SandBox option from the main menu, choose your game settings, select the kingdom, pick the noble, and become that noble!
BannerlordAskToFindLord allows you to ask lords and ladies that you encounter about the location and the action of the other lords. This feature was available in Warband, but seems to be missing in Bannerlord.