or Shari River River, north-central Africa. It flows about 590 mi (949 km) from the Central African Republic northwest into Lake Chad; it has many tributaries in the Central African Republic. N'Djamena is at the head of the river's delta
If you are chary of doing something, you are fairly cautious about doing it. I am rather chary of making too many idiotic mistakes. unwilling to risk doing something chary about/of doing sth