|əndə(r)|tākə(r), in sense 4 ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
Etymology: Middle English, from undertaken + -er
1. : one that undertakes : one that launches an enterprise : one that engages in any project or business : one that takes the risk and management of business : entrepreneur
2. obsolete
a. : one engaged in scholarly and scientific exploration of a subject
b. : one engaged upon the compiling or composition of a work for publication
c. : a book publisher
d. : an organizer of a stage production
3. : one that stipulates or covenants to perform work for another : contractor , subcontractor
4. : one whose business is to prepare the dead for burial and to arrange and manage funerals
5.
a. : an Englishman taking over ownership of forfeited lands in Ireland in the 16th and 17th centuries
b. : a political leader undertaking to influence members of Parliament especially in securing supplies for the sovereign in 17th century England