มารผจญ

Etymology
, literally “obstructing demon” or “to obstruct like the demon does”.

Noun

 * 1) The Demon Lord of the Paranimmita Vasavatti Heaven (Heaven of the Power over the Creation of Others) who prevents Sakyamuni Buddha from enlightenment. (See Mara (demon) on Wikipedia.)
 * 2)  A great obstacle or nuisance.

Verb

 * 1)  To prevent someone from success or accomplishment.