▁of ▁the ▁Association ▁of ▁Niger ian ▁Auth ors ▁( AN A ) ▁as ▁well ▁as ▁full ▁member ▁of ▁the ▁Niger ian ▁Institute ▁of ▁management ▁( M N IM ). ▁ ▁In ▁May ▁ 2 0 1 7 , ▁N d agi ▁represented ▁Niger ia ▁at ▁a ▁regional ▁work shop ▁on ▁text ▁development ▁for ▁teaching ▁Arab ic ▁to ▁non - spe akers ▁in ▁West ▁and ▁Central ▁Africa , ▁which ▁was ▁organized ▁by ▁the ▁Islam ic ▁Edu c ational ▁Scient ific ▁and ▁Cultural ▁Organ ization ▁( I SE S CO ) ▁in ▁N dj am ena , ▁Republic ▁of ▁Ch ad . ▁ ▁Working ▁experience ▁ ▁Muhammad ▁U mar u ▁N d agi ▁taught ▁for ▁three ▁years ▁as ▁a ▁Gra de ▁II ▁teacher ▁at ▁the ▁W az iri ▁Primary ▁School , ▁A ga ie , ▁Niger ▁State ▁( 1 9 7 9 – 1 9 8 2 ). ▁He ▁was ▁employed ▁by ▁the ▁Federal ▁Ministry ▁of ▁Education ▁in ▁ 1 9 8 5 ▁and ▁was ▁posted ▁to ▁teach ▁Arab ic ▁at ▁Federal ▁Government ▁College , ▁K w ali , ▁Ab u ja , ▁Niger ia ▁where ▁he ▁spent ▁ 2 0 ▁years ▁( 1 9 8 5 – 2 0 0 5 ) ▁as ▁a ▁class room ▁teacher . ▁In ▁ 2 0 0 5 , ▁N d agi ▁joined ▁the ▁services ▁of ▁the ▁University ▁of ▁Ab u ja , ▁Ab u ja , ▁Niger ia ▁where ▁he ▁still ▁lect ures ▁in ▁the ▁Department ▁of ▁L ingu istics ▁and ▁African ▁L anguages . ▁ ▁Between