DSWO stands for District Social Welfare Officer (various nations)

DSWO also stands for “Dreamed Social Welfare Organization”

The elaboration form of DSWO is Dreamed Social Welfare Organization which is a non-government and non-political Social Welfare Organization of Bangladesh

Official website 

The meaning of DSWO is “Dreamed Social Welfare Organization”
which Bangla Meaning is (Shopnoghera Somaj Kollan Songstha)  স্বপ্ন ঘেরা সমাজ কল্যাণ সংস্থা 
Dreamed Social Welfare Organization is a non-government and non-political Social Welfare Organization of Bangladesh

Thanks for the questions.