I can Join Friends but Friends Cannot Join Me

For YEARS now, my Minecraft has been glitched. I don’t know if it’s just me or what, but I can join my friends whenever I want, but anytime my friends try to join me, they get the “Unable to Connect to World” error.

We have tried everything (ON BOTH ENDS) from signing out of and then back into Xbox Live, closing and re-opening Minecraft, restarting my iPad, restarting their device (whether it is an Xbox, iOS, Android, tablet, etc.), trying other worlds, signing in on my other iPad and trying to have them join a world on the other iPad… EVEN DELETING AND REINSTALLING MINECRAFT HAS NOT WORKED! I have no clue what is causing it or why this is happening, but IT IS DRIVING ME INSANE! Please help!

EDIT: I just got done snooping around in my Xbox Live privacy settings and now my Minecraft is outright CRASHING when I try to open it!

ANOTHER EDIT (6/18/19): Be prepared for a big textwall. I have a lot of information and I am not good at telling where I should stop and make another paragraph. I'm terribly sorry. I just have a lot of information to give, and when it comes to debugging, every detail counts, right? Anyways, try your best to get through it. Thank you. 😶😅

Apparently, the above glitch has affected EVERY Minecraft Bedrock Edition that I was signed into immediately after the editing of the Xbox Live Privacy Settings. When I opened Minecraft, it would IMMEDIATELY crash. In addition to this, the different Minecraft apps were on different iPads, which were on ENTIRELY DIFFERENT iOS VERSIONS, and it did not help if I switched to another Wi-Fi Network, switched to Cellular Data, or even turning on Airplane Mode altogether. To top it all off, there is another glitch where, if you are NOT CONNECTED TO THE INTERNET, OR ARE ON A WI-FI THAT FILTERS OUT XBOX LIVE, and try to open a Minecraft that is ALREADY signed into Xbox Live, it will try to sign in for about a minute before freezing for about 10 to 15 seconds... and then it crashes. The Xbox App does not seem to be affected by either of these glitches, HOWEVER, if you are under the SECOND circumstance, and try to choose the option "Sign Out of Xbox Live on ALL Apps on This Device," it WILL NOT SIGN OUT OF MINECRAFT UNTIL YOU ARE IN A POSITION WHERE A SUCCESSFUL CONNECTION TO THE XBOX LIVE SERVER CAN BE MADE, AND IS MADE. The FIRST glitch can ONLY BE FIXED WITH A COMPLETE DELETION AND REINSTALLATION OF MINECRAFT. OFFLOADING THE APP DOES NOT WORK!

Oh, and after deleting and reinstalling Minecraft, and then going into and changing some of my Router's settings, MY PERSONAL IPAD STILL CANNOT HOST MULTIPLAYER OUTSIDE OF LAN! HOWEVER, another iPad can now FINALLY host multiplayer worlds in Minecraft and have people join via Xbox Live. But my personal iPad is still out of luck.