Wat i did was i tell him e last time he msg me say he wan e 20
back is :''Hey i am sorry i do not time to go atm, i have many many
friends working in xxxproperty (his agency), why not later lunch
time i ask them return e $ to u 4 me. Since they dun noe u, i ask
them announce over e P.A system to locate u and announce THAT U
nEED $20 FOR YR LUNCH URGENTLY???CAN???? 
He became very polite after this n slowly stopped
pesterin me :
