Security Advisory: Links in messages may lead to maliciously operated websites that could track your IP address and reveal your identity, or they may contain harmful files. The DiscordLeaks team does not check links and cannot make any statements about the safety of following these links.
Some ways to protect yourself are:
If you are using the Privacy Badger or other privacy extensions, you may need to whitelist Discord and related domains in order for the images to load.
Is it through DMs or a group chat? What have your communications with him been like over Telegram, what have y'all discussed and has he asked you any questions that may be deemed sensitive information? Be as detailed as possible please.