preach preach /ˈpriːtʃ/

verb

1. () Deliver a sermon  ( prophesy , preach )
   deliver a sermon
    The minister is not preaching this Sunday
   The minister is not preaching this Sunday
   
2. () Speak, plead, or argue in favor of  ( advocate , preach )
   speak, plead, or argue in favor of
    The doctor advocated a smoking ban in the entire house
   The doctor advocated a smoking ban in the entire house