If you say you are a believer but your life shows otherwise by the spiritual inactivity in God's sphere and social inactivity amongst your neighbours in their sphere - how can you claim to have 'faith'?
Conversely, 'good works' alone have only a superficial value.
You Cannot Work Your Way Into Heaven.
No. Faith and 'works' are inextricably intertwined within the Two Commandments - to 'Love God' and 'Love your neighbour.'