Need info on word meaning and usage

[Arthur68]

I'm having trouble figuring out the exact meaning of these....

tabenakereba ikemasen
....do not wish to eat???

arukanakereba ikemasen
....do not wish to walk???

Please help translate these and explain what "akereba" means.

 

[undrentide]

I'm having trouble figuring out the exact meaning of these....

tabenakereba ikemasen
....do not wish to eat???

arukanakereba ikemasen
....do not wish to walk???

Please help translate these and explain what "akereba" means.

〜nakereba ikenai/imemasen means "have to do ~".
Expressing "must" or "have to" | Learn Japanese

akereba : if (one) opens (something)
Conditionals | Learn Japanese