To speak about relationship in an office, you need the appropriate vocabulary.
Arrive late for meetings - be after the usual time or the time that was arranged for the meeting;
Ignore emails - no to answer the messages;
Use bad language - say rude, dirty words;
Ignore colleagues - not to pay attention to the people you work with;
Forget manners - not to remember the way in which a person talks and behaves with other people;
Invest money - give the coins or banknotes (= pieces of paper with values) that are used to buy things;
Working environment -  the situation that you work in, and how it influences how you feel.

Some people invest money in learning.
We never use bad language.
When I am busy, I ignore emails.