Bristol-based Extract Coffee Roasters works with community groups in the UK to support vulnerable people, through training, mentoring and sports There are many people reading this who might claim coffee changed their lives, but for Katia Ferreira it really did. Not because she discovered the black stuff could rouse her from her slumber every morning – as it does millions of people daily – but because it provided the 53-year-old with a lifeline after arriving in Britain as a refugee…