Aww, poor Amirah. My Max thinks everyone should greet him too.
Training to not pull is a continuing process for my boys. For people we are not going to greet or things we are not going to approach, I have started using the command "Leave it" and then "let's go" to continue walking. It is working well for us.
For general pulling while walking, I stop and Max sits, Teddy stands. I tell them to "settle down" and we don't continue until they release all tension in the leash.
Another exercise I learned here on YT is to change direction, walk in circle-8 or crazy patterns. The dog has to follow you. Say "let's go" or "this way" each time you change direction. Amirah will think you are nuts, but will eventually follow. Do this exercise for only 5 - 10 minutes at a time. It is mentally exhausting for them. All of these exercises take lots of practice.
As for harnesses, I am so happy with the Buddy Belt that I became a retailer. It is specially designed to eliminate pressure on the neck and back. No matter which harness you use, training is still crucial.
Best wishes!