1
I volunteer for a charity.
To sign this, you would sign 'I', 'volunteer', and then 'charity'. In this context, the sign for charity represents the organization you are dedicating your time to. Make sure to push the sign forward to show the outward direction of the charitable support.
2
We need to raise money for charity.
Start by signing 'We', 'need', 'money', 'raise', and finish with 'charity'. The forward movement of the charity sign effectively shows the aid or funds going out to the cause. You can also use the sign for 'donate' if you want to emphasize the financial aspect.
3
She works at a local charity.
You can express this by signing 'She', 'work', 'local' (or 'area'), and 'charity'. Keep the movement of the charity sign clear, steady, and directed forward to indicate the organization itself. Your facial expressions should remain neutral and informative to match the statement.