An officer with political influence; a head or chief in government, such as a sheriff.(noun)
A boss in a business, company, or other organization.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "jefe" in a sentence
"He was a total capitalist and despite his experience of exploitation and poverty had no moral dilemma whatsoever about exploiting the poor of Mexico and becoming quite the black "jefe," or the landlord of a slum housing estate."
"This is a matter of respect to show the "jefe" that he is still jefe."
"However, many bank tellers are not used to them and many times they have to ask their "jefe" (boss) for help."