Welcome to Justanswer.com, my name is ***** ***** I will do my best to assist you.
While I cannot tell you whether or not the person is reading your messages or ignoring them.. What I can say is this.
If you were blocked, you would no longer be able to view the persons profile.
And if the messages were read, they would show as read on your end unless they have you blocked.
So, if you can still view the persons profile, then you are not blocked.
If that is the case, then it is possible that he is either not reading the messages, or ignoring them.
That is the best " technical" advice I can give. if you have further questions, let me know.
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Senior Technician and Network Switching Systems Operator / Maintainer.