This is the 9310th most frequent Russian word.
страдают
"Struggle," or "suffer."
In this sentence, 'страдают' means 'suffer' and describes people experiencing hardships like malnutrition.
Люди часто страдают от недоедания.
People often suffer from malnutrition.
Here, 'страдают' is used to indicate the experience of emotional or relational issues due to misunderstandings.
Вы оба страдаете от недопонимания.
You both are suffering from misunderstanding.
In this context, 'страдают' refers to plants being negatively affected by environmental changes.