This is the 454th most frequent Hungarian word.
segít
"Segít" means "helps" in English.
In this sentence, 'segít' is used as a transitive verb requiring an indirect object to indicate who receives the help ('a diákoknak').
A tanár mindig segít a diákoknak.
The teacher always helps the students.
Here, 'segítsetek' is the imperative second person plural form of 'segít', illustrating a request for help.
Kérlek, segítsetek nekem a házi feladatban.
Please, help me with the homework.
In this example, 'segít' is used in a general or habitual sense, indicating an act of help provided to 'nekünk' (us).