ANSWER:

If they are of the same gender and do not post anything haram, this seems permissible.

Is it permissible to follow people we know or don’t know on social media like instagram, tweeter etc.

Social Media | April 22, 2020 12:13 pm
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Sheikh, is it ok for a female teacher to add her adult male students or follow them on social network and like their photos posts and for her students to do the same to her posts or photos, and is it okay if the teacher and her namahram students sometimes chat with each other just to ask about whereabouts and if everything is fine, out of care and love?
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In messenger group my 4-5frineds everyday gives task like today read 25verse of quran,say 100times astagfirullah etc & whoever does this say done in group,(not that everyone must to do this,if someome didn’t do it’s their choice).they give task because mayb someone didn’t do it ever but after given task she mayb read some verse/dhikr then make it a habit.only for this purpose.is it permisible?