Baker is only a month into his loan with the Bundesliga outfit, but is already emerging as a locker room leader. Funny thing is, he can't speak German!
But despite the communication block, Baker isn't shy from shouting at his teammates when needed. And it's something the rest of the squad welcomes.
Club captain Oliver Fink smiled, quoted by BILD: "I like it when he talks - even if it's hard to understand. That's something different.
"We have not had anything like that here."
Indeed, Baker's vocal leadership, in training and games, is being encouraged by his new teammates.
Niko Gießelmann also laughed: "Lewis pushes us in the locker room before training and playing. Nobody understands him, but we all know what he means."
Of the midfielder's play, Gießelmann adds: "I like the way he cuts in between. This is typically English and cool. That suits us. There are not many who radiate such a direct presence."
Baker, 24, is now into his seventh loan away from Chelsea - having never played a competitive game for the Blues. Fortuna Dusseldorf is his second foreign adventure, having also enjoyed an outstanding two years with Chelsea's Dutch partners Vitesse Arnhem between 2015 and 2017.
Baker started Saturday's 3-1 home defeat to Bayer Leverkusen, putting through his own net on the day.
- updated August 26