knight-errant / brave and chivalrous / hero / heroic
侠
=
亻
+
夹
:
Marie Curie (xi) decided to become a knight errant (侠). In the ashram's kitchen (a2) Rosa Luxemburg (亻) gives her a sandwich (夹) for her journeys and says goodbye to her.
客
=
各
+
宀
:
Karl Marx (k) is receiving a visitor in the elevator's bathroom (e4). His guest is wearing a graduation cap (宀) and a dress made of stars (各).