Mr Vaa has been the Methodist minister in Marton for nearly three years.
"I am very happy in this little town. I came here from Wellington. It is very different and, I think, very good for our people. I am sure it keeps them closer."
As well as the Methodist church there are large Samoan congregations at the Anglican, Catholic, Assembly of God churches and some from the Mormon community in Feilding.
Independence Day will start with a procession at 9am through the main street of Marton to the Memorial Hall.
At 9.30am there will be a thanksgiving service with the five churches together in harmony and love, he said.
Last year a feast was served at the close of all the activities but this year that will be changed, he said.
"We have decided to have a very big morning tea instead after the service. This means everyone will be well fed and very satisfied."
After the food, from 11am each church will present a cultural item with dance groups, choirs and some solo items, including adults and children, going through until 1pm.