As a coal-mining term ‘bank’ referred to the ‘Surface of the Earth’ (CC29); that is the working area around the top of the mine shaft, in contrast to the working area below ground.
A banker was a covering for a bench [bank] or chair, usually of tapestry, and in many contexts accompanied by a dosser and cushions (note the different spellings of the latter word).
This was an earlier spelling of banksman, the occupational term linked with coal-mining, and it reflects the omission by dialect speakers of the genitive ‘s’.
These were banners carried in religious and civic pageants and they were made of hardwearing cloth such as taffeta, bearing appropriate, colourful symbols.
In the northern counties the ‘barker’ was the man who stripped the bark from oak trees for the tanner and by association the term then came to be applied to the tanner himself.
Barm is a regional word for yeast, the froth of fermenting malt liquors which can be used as a leavening agent. Halliwell defined 'barme-cloth' as an apron, presumably one used by the workmen:
A small, light, steel headpiece, somewhat globular in shape, which terminated in a point raised slightly above the head and closed in front with a visor (OED).
A spelling of ‘bast’, the inner bark of the lime, which could be cut into strips and coarsely plaited to make matting (OED). It was used more generally for similar fibres.
In general the fibrous bark used for matting, ropes, or cord but here a type of basket, suitable for carrying heavy objects, apparently an earlier spelling of ‘bass’.