What roles have 750,000 people volunteered for?

The NHS Volunteer Responders recruitment initiative has recruited 750,000 people, three times higher than initially targeted. The drive has been temporarily paused to process applications and to get the volunteer army up and running.
Those who have applied will be helping the NHS by performing the following roles:
 
Community Response volunteer: This role involves collecting shopping, medication or other essential supplies for someone who is self-isolating, and delivering these supplies to their home.
 
Patient Transport volunteer: This role supports the NHS by providing transport to patients who are medically fit for discharge, and ensuring that they are settled safely back in to their home.
 
NHS Transport volunteer: This role involves transporting equipment, supplies and/or medication between NHS services and sites, it may also involve assisting pharmacies with medication delivery.
 
Check in and Chat volunteer: This role provides short-term telephone support to individuals who are at risk of loneliness as a consequence of self-isolation.