Learn how to say Predecessor correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word predecessor:
a person who held a job or office before the current holder:
the new President’s foreign policy is very similar to that of his predecessor
a thing that has been followed or replaced by another:
the chapel was built in 1864 on the site of its predecessor
late Middle English: from late Latin praedecessor, from Latin prae ‘beforehand’ + decessor ‘retiring officer’ (from decedere ‘depart’)