There's 2 general ways to get started in a game:
1 - using a worker to improve tiles
or
2 - adopt god-king and build elder councils
Civs starting with Ancient Chants can research Mysticism in a reasonable amount of time. That lets them use the god king civic and elder councils to get started. With the extra

from god king, you can pop out a settler without needing a worker to improve tiles. In such a case, the elder councils compensates for the lack of

from forest, while at the same time taking advantage of the extra

from forests.