Teams has come up with a brilliant enhancement called the Background Blur Feature. You will appear clear in the video conference while everything behind you is simply concealed.
To start a meeting with background blur, move the blur slider—the one to the right of the video slider—to the right on the Choose your audio and video settings screen when you’re joining the meeting. FYI, this only works for scheduled meetings.
To turn on background blur during a meeting, click More options then Blur my background.
— Read Jim Naroski’s blog, published 11/14/2018 at https://aka.ms/o365update-blog.