This is the 10922nd most frequent French word.
partagera
"Partagera" means "will share."
Here, 'partagera' is used to express an action of sharing in the future tense, as indicated by the future indicator 'demain' (tomorrow).
Elle partagera ses idées lors de la réunion demain.
She will share her ideas at the meeting tomorrow.
In this sentence, 'partagera' describes a future action involving dividing or giving part of something (the pizza) among others (his friends).
Il partagera la pizza avec ses amis.
He will share the pizza with his friends.
The use of 'partagerons' (plural, but showing a similar usage to 'partagera') implies collaboration and division of duties between multiple parties (responsibilities).