Can Master account change password of Subaccount?

Yes, Master account will be able to change/ update password of Subaccount. Master account has to select subaccount for which he wants to update password and go to Profile Settings, where he will be able to update password by entering ‘New Password’ and ‘Confirm Password’.
Once Master updates the password, the Subaccount won’t be able to access account with the old password. As soon as Master account updates password, an email will be sent to Subaccount notifying about the password change.