what is the verb in arabic for "to bully / pick on somebody"
for example

"he is being bullied by the other children at school"

"they picked on him because of his temperance"

Question

what is the verb in arabic for "to bully / pick on somebody"
for example

"he is being bullied by the other children at school"

"they picked on him because of his temperance"

Answer

To bully / Pick on : ضايق

he is being bullied by the other children at school

يُضَايَقُ من طرف زملائه في المدرسة  (Passiv Voice)

If you want to say it using the Active voice :

يُضَايِقُه زملاؤه في المدرسة

they picked on him because of his temperance

ضَايَقُوهُ بسبب امتناعه عن شرب الكحول

Answer

bully/pick on  .... have much meanings 
يضايق=يعاقب 
sometimes يهاجم