shirk 
/ˈʃɚk/ verb
shirks; shirked; shirk·ing /ˈʃɚk/ verb : to avoid doing something that you are supposed to do [+ obj] ▪ He's too conscientious to shirk his duty/responsibility. [no obj] ▪ He never shirked from doing his duty. ▪ They did their duty without shirking or complaining.
— shirk·er noun, plural shirk·ers [count]
▪ She's no shirker.
▪ She's no shirker.
