This is the 2291st most frequent Russian word.
коллегам
"To colleagues."
In this sentence, 'коллегам' is in the dative case, indicating the indirect object of the verb 'подарил' (gave).
Я подарил книги своим коллегам.
I gave books to my colleagues.
Here, 'коллегам' is again in the dative case, indicating to whom the project presentation was directed.
На встрече я представил коллегам новый проект.
At the meeting, I presented a new project to my colleagues.
In this usage, 'коллегам' is in the dative case following the verb 'помогли' (helped), showing who was assisted.