Please check :

SOME FEATURES OF THE NEW LAW NUMBER 4 OF 2009

Clause 15. Women in independent jobs can sponsor
their husbands and children.

It clarifies that u cannot as u r a dependant urself. u cud try getting a job somewhere and transfer ur sponsorship to the company and then sponsor him , which might take a bit of time, but will be worth it, as no future in pakistan , But then again it will depend on ur experience and if u still meet the criteria of sponsoring ur hubby or not...