KanjiJLPT N1
Chief

chief, count, earl, uncle, Brazil

Mnemonic

Butler Alfred presents a pristine white glove to the new chief of the estate. Only the eldest, highest-ranking lord receives the white glove from Alfred — a centuries-old tradition signifying that the chief alone holds supreme authority over the household.
Additional thoughts
Picture Alfred bowing and extending a single brilliant white glove on a silver tray. The white glove = symbol of noble rank. Butler + White = Chief (伯). The eldest brother inherits the title.
Quick recall
Butler Alfred offers a white glove to the chief of the estate.

Details

The keyword for 伯 is chief. This kanji refers to a leader or head figure, particularly in the sense of an elder or senior person of authority. Historically, it was used to denote the eldest among brothers or a feudal lord, carrying connotations of rank and respect. It also appears in the context of noble titles, similar to the Western concept of a count or earl.
On'yomi
はく