This is the 3690th most frequent Russian word.
труду
The word "труду" is the dative case of "труд," meaning "to labor" or "to work."
In this sentence, 'труду' represents a specific job or effort, characterizing the teacher's work.
Я с уважением отношусь к труду учителя.
I respect the work of a teacher.
Here, 'труду' refers to the concept of labor or hard work, emphasizing its arduous nature.
Она привыкла к тяжёлому труду.
She is accustomed to hard labor.
In this context, 'труду' conveys the collective endeavors and contributions made by volunteers.