Grillan

According to the Old English Dictionary:

grillan

p. de To provoke, offend :-- Hie willaþ grillan [griellan, Hat. MS.] óðre men they like to provoke other men, Past. 40, 4; Swt. 292, 19; MS. Cot. [A. R. gruellen to make sad: O. E. Homl. igruld, 2, 259, 30; and see other instances in Stratmann: cf. Icel. grellskapr spite: Ger. groll rancour.] grillan