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incumbent (up)on (someone)

Imposed or expected as an obligation, duty, or requirement on someone. As the wealthier citizens of the country, it's my firm belief that it is incumbent upon us to contribute toward the welfare of those who are less fortunate. He felt it was incumbent on him to take over the responsibilities of his father's business.
See also: incumbent

incumbent (upon someone) to do (something)

obligatory for someone to do something. It is incumbent upon me to inform you that you are up for review. It was incumbent on Mary to mail her application before June 1st.
See also: incumbent

incumbent on

Also, incumbent upon. Imposed as an obligation or duty on, obligatory for. For example, He felt it was incumbent on us all to help the homeless. [Mid-1500s]
See also: incumbent, on
References in periodicals archive ?
Incumbents Laura Biskaduros and Esteban Mendoza did not take out papers);
First Circuit Public Defender, where incumbent James Owens faces Bruce A.
GOP incumbent Bruce Hanna was leading Sara Byers, 58 percent to 40 percent in House District 7, which includes south Lane County.
In the Antelope Valley Joint Union High School District, incumbent Donita Winn and challenger Lee D'Errico held the first and second places, respectively, over James Shanbrom for two at-large school board seats.
Peter Hankwitz, "the only openly gay male Republican running for Congress in this election," is trying to unseat Democratic incumbent Brad Sherman in California's 27th district.
He later worked as an incumbent of the Ontario parish of Coldwater-Medonte (1983 to 1990); secretary of the advisory committee for postulants for ordination in northern and western Ontario (1984 to 1988); incumbent of North York's St.
In the last 25 years, there have been four elections which pitted an incumbent against a challenger--1980, 1984, 1992, and 1996.
First Ward Alderman Jesse Granato went into this year's election attempting to do what has become a common first step for incumbents in local aldermanic campaigns: eliminate the competition.
air markets, found little evidence of any practices by major incumbent carriers against smaller new entrants that could be deemed predatory.
The simple truth is that campaign contributors respond to high incumbent reelection rates more than cause them.
We argue that these researchers counterintuitive findings are the result of using models which do not adequately correct for the simultaneous determination of the election outcome and campaign contributions, and which do not include an electoral check on incumbent behavior.
The number of significant alternative operators is decreasing and further consolidation is expected in the coming years, with the growing size of the emerging survivors providing scale to more effectively compete against the fixed-line incumbent.
In the race for a three-year Board of Selectman seat, incumbent Brian Patacchiola announced last week he would not be seeking re-election (see story, this page).
In several of the seats, the incumbent lawyer/legislators either are unopposed in November or face only minor party or write-in candidates.
The other incumbent, Tom Pigott, is not running for re-election, so Winn will face challengers Lee D'Errico, a housing authority investigator, and James Shanbrom, an educational adviser and businessman.