You are now promoted to administrator for the Welcome group. Thank you for doing that! It's as little or as much as you make of it.
Feel free to make any changes you like in the options, group page, group info, etc. I think just about the only difference between administrator and creator is creator can designate administrators and has their photo on the group page.
I had also emailed Ruth with the same message. My thought is since she also welcomes new members, it would be appropriate to have both of you in that role. She hasn't responded yet, so we'll see.
I am doing some personal "house cleaning", some of which involves online activities. One thing is groups that I started and have not been involved in for a while. Since you welcome people, I wanted to ask if you want role of coadministrator in the welcome group, along with Ruth. That gives you access to change settings. If you would like that, just let me know and I will do that. Thanks.