Christiane, babysitting in Newcastle upon tyne NE1

I am a 25 year old international student from Cameroon( Africa), currently enrolled at Northumbria University and will be going into my second year Undergraduate in September 2017. I study business with marketing management.
I am looking to care for children who's parents might be absent from home for few hours so I can come in with extra help. I don't have any professional expreience or certificate but i am the oldest to 3 other siblings in my family with 2 brothers and 1 sister and I used to take care of them when my parents were not around, supervising them and attending to their needs.